Answer: 56
Step-by-step explanation:
7-2x=-27
-2x=-34
x=17
so 3x+5=3(17)+5=56
Probability(error in one block)= 1/5
<span>Probability(error in 3 blocks)= 3*(1/5)= 0.6</span>
Let,
0 = No error
<span> 1 = error
</span>Hence.
E(x) = 0.4 x 0 x+0.6 + 1
= 1.6
Answer:
B: 20%
Step-by-step explanation:
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